Question $4(10$ marks$)$

Elegant Clothing for You is a local shop which sells a wide variety of local clothing for women and kids. Elegant Clothing for You wants to develop a system to facilitate the process of selling their clothing. A customer can buy from Elegant Clothing for You by calling them on the phone. Then Elegant Clothing for You will ask the customer to give their information $($phone number, the name, address$),$ and order details. Once the order is accepted, the total, including tax and delivery, will be calculated. Then a receipt will be printed and sent to the customer and the order will be sent to the clothing store. After the clothing is ready, the clothing store will send the clothing to the person in charge to deliver it to the customer. Based on this case$-$study. Answer the following questions:

a$.$ Add to Figure $2($the context$-$level data flow diagram for the Elegant Clothing for You the followings:

$(8$ marks$)$

The entity names $(2$ entities$)$

The process number

The process name

The data flows

Figure $2$: The context$-$ level data flow diagram for Elegant Clothing for You

b$.$ List any TWO main processes which supposed to be part of Level $0$ Diagram for Elegant Clothing for You.

$(2$ marks$).$